NL8005968A - Testcontroleketen voor een meer-kanalen apparaat. - Google Patents

Testcontroleketen voor een meer-kanalen apparaat. Download PDF

Info

Publication number: NL8005968A
Authority: NL; Netherlands
Prior art keywords: channel; channels; output; signal; input
Prior art date: 1979-10-31

Application number

NL8005968A

Other languages

English (en)

Dutch (nl)

Original Assignee

Ampex

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1979-10-31

Filing date

1980-10-30

Publication date

1981-06-01

1980-10-30 Application filed by Ampex filed Critical Ampex

1981-06-01 Publication of NL8005968A publication Critical patent/NL8005968A/nl

Links

239000000872 buffer Substances 0.000 claims description 43
230000008878 coupling Effects 0.000 claims description 11
238000010168 coupling process Methods 0.000 claims description 11
238000005859 coupling reaction Methods 0.000 claims description 11
230000004044 response Effects 0.000 claims description 10
238000012806 monitoring device Methods 0.000 claims description 8
230000000977 initiatory effect Effects 0.000 claims 5
239000003999 initiator Substances 0.000 claims 1
238000000034 method Methods 0.000 description 6
230000006870 function Effects 0.000 description 4
230000000903 blocking effect Effects 0.000 description 2
239000003990 capacitor Substances 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000012544 monitoring process Methods 0.000 description 2
230000008569 process Effects 0.000 description 2
241000518994 Conta Species 0.000 description 1
230000004913 activation Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
239000004020 conductor Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000004088 simulation Methods 0.000 description 1

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
- G11B20/182—Testing using test patterns

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Tests Of Electronic Circuits (AREA)
Recording Or Reproducing By Magnetic Means (AREA)
Testing Electric Properties And Detecting Electric Faults (AREA)
Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

NL8005968A 1979-10-31 1980-10-30 Testcontroleketen voor een meer-kanalen apparaat. NL8005968A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/090,050 US4333177A (en)	1979-10-31	1979-10-31	Test control circuit for multichannel apparatus such as tape recorders and the like
US9005079		1979-10-31

Publications (1)

Publication Number	Publication Date
NL8005968A true NL8005968A (nl)	1981-06-01

Family

ID=22221032

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8005968A NL8005968A (nl)	1979-10-31	1980-10-30	Testcontroleketen voor een meer-kanalen apparaat.

Country Status (8)

Country	Link
US (1)	US4333177A (fr)
JP (1)	JPS5673352A (fr)
BE (1)	BE885936A (fr)
CA (1)	CA1149935A (fr)
DE (1)	DE3041172C2 (fr)
FR (1)	FR2468969A1 (fr)
GB (1)	GB2063492B (fr)
NL (1)	NL8005968A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5001568A (en) *	1982-01-12	1991-03-19	Discovision Associates	Signal evaluation by accumulation at one rate and releasing and testing at a slower rate
US4682246A (en) *	1982-01-12	1987-07-21	Discovision Associates	Characterizing the information transfer characteristics of a recording medium
US4641207A (en) *	1983-03-22	1987-02-03	Green George D	Diagnostic device and method for examining the operation of a disk drive
US4612586A (en) *	1984-06-05	1986-09-16	Memorex Corporation	Method for measuring timing asymmetry in a magnetic storage system
JPS6125230A (ja) *	1984-07-13	1986-02-04	Sony Corp	Ｉｃ装置
US4578719A (en) *	1984-12-06	1986-03-25	Robert Bosch Gmbh	Tracking error recognition in reproduced digital signals
US4725968A (en) *	1985-05-14	1988-02-16	Nicolet Instrument Corporation	Disk drive testing method and apparatus
JPH0827320B2 (ja) *	1987-01-21	1996-03-21	松下電器産業株式会社	信号発生制御装置
US4922184A (en) *	1988-08-29	1990-05-01	Control Data Corporation	Apparatus and process for the simultaneous continuity sensing of multiple circuits
DE19739380A1 (de) *	1997-09-09	1999-03-11	Abb Research Ltd	Verfahren zum Test eines Leitsystems
JP3744709B2 (ja) *	1999-02-05	2006-02-15	ローム株式会社	磁気記録再生装置及びそのドライブ用半導体集積回路装置
US7134068B2 (en) *	2003-12-04	2006-11-07	Seagate Technology Llc	Channel processing data without leading sync mark
CN107356859B (zh) *	2017-06-09	2021-12-10	上海航空电器有限公司	多路音频电路bit测试电路及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE633599A (fr) *	1962-06-20
US3522532A (en) *	1965-10-21	1970-08-04	Mc Donnell Douglas Corp	Comparison system for testing points in a circuit using a multi-channel analog signal record and playback means
US3519761A (en) *	1968-03-07	1970-07-07	Ampex	Record excitation optimization method and apparatus for rotary head magnetic tape recorders
US3686682A (en) *	1970-08-17	1972-08-22	Burroughs Corp	Method and apparatus for testing magnetic disc files
JPS5115415B1 (fr) *	1970-12-28	1976-05-17
US3831149A (en) *	1973-02-14	1974-08-20	Burroughs Corp	Data monitoring apparatus including a plurality of presettable control elements for monitoring preselected signal combinations and other conditions
US4103338A (en) *	1977-02-28	1978-07-25	Xerox Corporation	Self-diagnostic method and apparatus for disk drive
US4180203A (en) *	1977-09-30	1979-12-25	Westinghouse Electric Corp.	Programmable test point selector circuit
US4142215A (en) *	1977-12-02	1979-02-27	The Telex Corporation	Tape drive tester

1979
- 1979-10-31 US US06/090,050 patent/US4333177A/en not_active Expired - Lifetime
1980
- 1980-09-29 CA CA000361208A patent/CA1149935A/fr not_active Expired
- 1980-10-27 FR FR8022913A patent/FR2468969A1/fr active Granted
- 1980-10-30 BE BE0/202640A patent/BE885936A/fr not_active IP Right Cessation
- 1980-10-30 NL NL8005968A patent/NL8005968A/nl not_active Application Discontinuation
- 1980-10-31 GB GB8035147A patent/GB2063492B/en not_active Expired
- 1980-10-31 JP JP15369680A patent/JPS5673352A/ja active Granted
- 1980-10-31 DE DE3041172A patent/DE3041172C2/de not_active Expired

Also Published As

Publication number	Publication date
DE3041172A1 (de)	1981-09-03
BE885936A (fr)	1981-02-16
US4333177A (en)	1982-06-01
JPH0419508B2 (fr)	1992-03-30
GB2063492B (en)	1983-11-16
CA1149935A (fr)	1983-07-12
FR2468969B1 (fr)	1984-01-06
GB2063492A (en)	1981-06-03
JPS5673352A (en)	1981-06-18
FR2468969A1 (fr)	1981-05-08
DE3041172C2 (de)	1982-11-25

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Legal Events

Date	Code	Title
1985-01-01	A85	Still pending on 85-01-01
1986-03-03	BA	A request for search or an international-type search has been filed
1986-05-01	BB	A search report has been drawn up
1986-07-01	BC	A request for examination has been filed
1995-06-01	BV	The patent application has lapsed